Finding the Fourth Proportional to 94,432.14, 130,316.85 and 51,990.69
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Solution
The fourth proportional to 94,432.14, 130,316.85 and 51,990.69 is: 71,747.43
Step by Step Solution
- Step 1: Write the proportion equation
94,432.14 : 130,316.85 = 51,990.69 : x - Step 2: Convert to fraction form
94,432.14/130,316.85 = 51,990.69/x - Step 3: Cross multiply
94,432.14x = 130,316.85 × 51,990.69 - Step 4: Simplify right side
94,432.14x = 6,775,262,950.13 - Step 5: Solve for x
x = 6,775,262,950.13/94,432.14 - Step 6: Final answer
x = 71,747.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.